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Question
Name or state following with reference to the element of the first three periods of the periodic table.
The formula of the hydroxide of the element having electronic configuration 2, 8, 2.
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Solution
Hydroxide of element [2, 8, 2] is Mg [OH], where Mg is the element.
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RELATED QUESTIONS
The elements Be, Mg and Ca each having two electrons in their outermost shells are in periods 2, 3, and 4 respectively of the modern periodic table. Answer the following questions, giving justification in each case:-
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A transition from metallic to non-metallic elements is seen on moving from left to right in a period of the periodic table.
